Requirements and Data Sources Needed For Validation of Component Properties and Performance in Simulation Based Benefit Assessment of Driver Assistance Technologies

Konferensbidrag (offentliggjort, men ej förlagsutgivet), 2009

In one of the Advanced Crash Avoidance
Technology (ACAT) projects, a computational
simulation approach has been used to assess the
potential benefit of three advanced Driver
Assistance Technologies in a lane departure
scenario. The main advantage of a computational
simulation approach to driver assistance
technologies evaluation is that a wide range of
conditions can be explored at a comparatively low
cost. Also, though multiple data sources related to
traffic safety are available, few approaches make
systematic and integrated use of them. Using them
to validate simulation components provides a way
of integrating data from various sources into a
reusable format.
When using simulation, the properties of each
simulated component need validation. The
objective of this paper is to describe data
requirements for component validation, as well as
how data which meet the requirements has been
identified and extracted. The basic approach of the
project is to look at each simulated component and
determine which of its properties influence scenario
outcome. Data sources which provide input on
those properties are identified, and data from them
is extracted and prepared for use in the simulation.
To achieve a high level of detail and accuracy for
all components, data from multiple sources are
used including crash databases, field operational
tests, testing on test-tracks and driving simulator
experiments.
The research conducted in this project shows that
sufficient data can be obtained to validate the
properties of the simulation components. There are
limitations in available data for some sources
which raises questions of representativity, but these
can in principle be overcome by extended data
collection. The research also shows that while
extensive effort may have to go into validation the
first time a simulation is developed, similar
subsequent projects will require much less
validation effort since the simulation components
can be reused.